The correct answer would be conflict because this seems to be the part of the story that something bad is going to happen. I wouldn't say it would be climax, because we don't have enough information to say this is the part where everything changes. Hope this helps!
Answer:
A. attach
Explanation:
In this sentence, "tack" is a verb, so attach is the best word since it is also a verb and it is a synonym for tack.
Context clues!! Rereading the surrounding text can give a reader hints about the meaning of the unknown word.
I only know most of those besides highschool DXD